Lamp



FIG. 1 is a perspective view of the lamp showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a side elevational view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the lamp, as shown and described. 